diff --git a/src/js/cosmetic-filtering.js b/src/js/cosmetic-filtering.js
index 623b1c80c..3781b6d2d 100644
--- a/src/js/cosmetic-filtering.js
+++ b/src/js/cosmetic-filtering.js
@@ -260,7 +260,7 @@ FilterParser.prototype.isValidSelector = function(s) {
     try {
         this.div.matches(s);
     } catch (e) {
-        console.error('µBlock> invalid cosmetic filter:', s);
+        console.error('uBlock> invalid cosmetic filter:', s);
         return false;
     }
     return true;